Provides technical direction and serves as a project engineering technician on matters relating to in-service improvements; analysis, design, and implementation of system-wide hardware/firmware modifications; service life extension; failure analysis/support in response to NAS related problems beyond the assigned repair capability of the field; NAS configuration management; quality assurance; development and issuance of associated national technical directives and maintenance guidance; development and evaluation of operational readiness and/or supportability of new NAS systems for deployment; and technical support to new system acquisition efforts. Work is completed using various general and specialized trade skills, including but not limited to: electrical, carpentry, metal & composite roofing, concrete, plumbing, welding, dry wall, chain-link & iron fencing, painting, masonry, Gasoline & Diesel mechanic, HVAC, heavy equipment maintenance, operations of heavy machinery and commercial vehicles.